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dExplanation:d represent the correct sequence because cell Is the basic UNIT, after DUE to the all cells combination tissues will form ex: heart heart made up of cardiac tissue that tissue made up of VARIOUS cells ,and tissues make organs ex heart all cardiac tissues COMBINED makes heart and all organs combined and make organ SYSTEM ex circulatory system and endo crine system and all systems combined and form the organismcells-tissues-organs-organsystems-organism



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